CN108104982A - For the water vapour feeding mechanism of internal combustion engine - Google Patents

For the water vapour feeding mechanism of internal combustion engine Download PDF

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Publication number
CN108104982A
CN108104982A CN201710485586.9A CN201710485586A CN108104982A CN 108104982 A CN108104982 A CN 108104982A CN 201710485586 A CN201710485586 A CN 201710485586A CN 108104982 A CN108104982 A CN 108104982A
Authority
CN
China
Prior art keywords
water vapour
internal combustion
combustion engine
feeding mechanism
vaporization tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710485586.9A
Other languages
Chinese (zh)
Inventor
刘泳尚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Publication of CN108104982A publication Critical patent/CN108104982A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/032Producing and adding steam
    • F02M25/035Producing and adding steam into the charge intakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02Profiting from waste heat of exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/0221Details of the water supply system, e.g. pumps or arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/0221Details of the water supply system, e.g. pumps or arrangement of valves
    • F02M25/0222Water recovery or storage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The present invention provides a kind of water vapour feeding mechanism for internal combustion engine, and water vapour feeding mechanism includes:Vaporization tank in the vaporization tank, makes water vapor to generate water vapour by using the exhaust gas discharged from internal combustion engine;And water filling device, it is configured to inject water into vaporization tank, wherein, the water vapour generated from vaporization tank is supplied in the gas handling system of internal combustion engine.

Description

For the water vapour feeding mechanism of internal combustion engine
Technical field
The present invention relates to a kind of water vapour feeding mechanisms for internal combustion engine, are more particularly to following this internal combustion engine water Steam providing apparatus, can be by that will utilize the water vapour that exhaust gas vaporizes supplied to gas handling system, to reduce the combustion heat and nitrogen Emissions of oxides simultaneously significantly improves fuel efficiency.
Background technology
Recently, various technologies have been developed to inhibit nitrogen oxides by reducing the aflame combustion heat of internal combustion engine And hydrocarbon emission, and improve fuel efficiency by reducing the mixing ratio between air and fuel.
People research and develop out exhaust gas recycling (EGR, Exhaust Gas Recirculation) system or water filling System, as reducing the combustion heat and discharged nitrous oxides and representative art for improving fuel efficiency.
Such egr system must include for by EGR gases from the exhaust system of engine be recycled to engine into The EGR valve of the flow of the EGR pipe of gas system, the cooler for recycled exhaust gas for cooling down EGR gases and adjusting EGR gases.Egr system not only accounts for According to most of setting area of narrow enging cabin, but also increase assembly cost.
In addition, because revolutions per minute (RPM) of the operation of egr system depending on engine, therefore egr system is only in vehicle Certain operations region in operate.Therefore, the use scope of EGR gases is significantly limited.For example, egr system may not It is smoothly operated in the low RPM regions of engine and high RPM regions.
Flood pattern directly injects water into air inlet or fuel-air mixture or directly injects water into engine Combustion chamber, so as to reduce the temperature of combustion chamber.Therefore, flood pattern can inhibit nitrogen oxides and hydrocarbon emission, and Fuel efficiency can be improved by reducing fuel-air mixture ratio.
However, in the case of flood pattern, due to needing the injector of high price, it is thus possible to can increase and be manufactured into This.
Information disclosed in background of invention part is only used for understanding of the enhancing to the general background of the present invention, and And be not construed as recognizing or it is any type of hint the information form the prior art well known by persons skilled in the art.
The content of the invention
Various aspects of the invention are intended to provide a kind of water vapour feeding mechanism for internal combustion engine, are configured for By the way that the combustion heat and discharged nitrous oxides will be reduced supplied to the gas handling system of internal combustion engine by the water vapour that exhaust gas vaporizes, and Significantly improve fuel efficiency.
Present inventive concept technical problems to be solved are not limited to the above problem, those skilled in the art Unmentioned any other technical problem herein will be expressly understood by being described below.
Various aspects according to the present invention, a kind of water vapour feeding mechanism for internal combustion engine, it may include:Vaporization tank, In vaporization tank, make water vapor by using the exhaust gas discharged from internal combustion engine to generate water vapour;And water filling device, it is configured Into injecting water into vaporization tank.The water vapour generated from vaporization tank is supplied in the gas handling system of internal combustion engine.
Water vapour feeding mechanism, may also include:Water vapour supply pipe connects the gas handling system of vaporization tank and internal combustion engine It connects.The water vapour generated from vaporization tank can be supplied to by water vapour supply pipe in the gas handling system of internal combustion engine.
Vaporization tank may be arranged in the exhaust system of internal combustion engine, to receive the heat for the exhaust gas discharged from internal combustion engine.
Vaporizing chamber can be formed in vaporization tank, water vapor is made in vaporizing chamber.
Water vapour supply pipe can connect vaporization tank and the air inlet port of gas handling system.
Water vapour supply pipe may include:The supply opening connected with the air inlet port of gas handling system.
Water vapour supply pipe can connect the air inlet pipe of vaporization tank and gas handling system.
Water vapour supply pipe may include:The supply opening connected with the air inlet port of gas handling system.
Water vapour supply pipe may include:The supply opening connected with one equipped with throttle valve section of air inlet pipe.
Water vapour supply pipe may include:The supply opening connected with the Upstream section of the throttle valve in air inlet pipe.
Water vapour supply pipe can connect the inlet manifold of vaporization tank and gas handling system.
Methods and apparatus of the present invention have the advantages that other feature and, these feature and advantage will be in drawings included herein In and become apparent together in some principle detailed description below for explaining the present invention and carry out in more detail It illustrates on ground.
Description of the drawings
Fig. 1 is the section for the water vapour feeding mechanism for internal combustion engine for showing exemplary embodiment according to the present invention Figure;
Fig. 2 is section for showing the water vapour feeding mechanism for internal combustion engine in accordance with an alternative illustrative embodiment of the present invention Face figure;
Fig. 3 is section for showing the water vapour feeding mechanism for internal combustion engine in accordance with an alternative illustrative embodiment of the present invention Face figure;And
Fig. 4 is section for showing the water vapour feeding mechanism for internal combustion engine in accordance with an alternative illustrative embodiment of the present invention Face figure.
It should be appreciated that the drawings are not necessarily drawn to scale, the various features that illustrate the basic principle of the present invention are presented Slightly simplified expression.The specific design feature of present invention disclosed herein is (including for example specific size, orientation, position and shape Shape) it will partly be determined by specific intended application and use environment.
In the accompanying drawings, reference numeral refers to the identical or equivalent elements of the present invention always.
Reference sign:
1:Internal combustion engine
2:Exhaust system
3:Exhaust manifold
4:Exhaust pipe
5:Gas handling system
6:Inlet manifold
7:Air inlet pipe
8:Throttle valve
9:Air inlet port
10:Water vapour feeding mechanism
11:Vaporization tank
12:Vaporizing chamber
13:Water vapour supply pipe
13a:Supply opening.
Specific embodiment
Now with detailed reference to various embodiments of the present invention, example is shown in the drawings and is described below. Although the exemplary embodiment description present invention will be combined, but it is to be understood that this specification is not intended to limit the invention to These exemplary embodiments.On the contrary, it is contemplated that not only cover exemplary embodiment, but also be also contemplated by may include by appended Various replacements, modification, equivalent and other embodiments in spirit and scope of the invention.
With reference to figure 1, exemplary embodiment according to the present invention includes being used for for the water vapour feeding mechanism 10 of internal combustion engine Generate the vaporization tank (vaporization tank) 11 of water vapour, the water for being connected vaporization tank 11 with the gas handling system of internal combustion engine 1 Steam supply pipe 13 and inject water into water filling device 20 in vaporization tank 11.
Vaporization tank 11 may be arranged in the exhaust system 2 of internal combustion engine 1, to receive the heat for the exhaust gas discharged from internal combustion engine 1.
According to embodiment, as shown in Figure 1, vaporization tank 11 can be arranged to a table with the exhaust manifold of exhaust system 23 Face is in contact.
Optionally, vaporization tank 11 can be arranged to and exhaust manifold 3 connect exhaust pipe 4 be in contact.
Vaporizing chamber 12 can be formed in vaporization tank 11.Therefore, when water is injected into the vaporizing chamber 12 of vaporization tank 11, note The water entered can be vaporized by the heat of exhaust gas, and water vapour can be generated in vaporizing chamber 12.
Exemplary embodiment according to the present invention, as shown in Figure 1, water vapour supply pipe 13 can be by vaporization tank 11 and air inlet system The air inlet port 9 of system 5 connects.
One end of water vapour supply pipe 13 can be formed with supply opening 13a.The supply opening of water vapour supply pipe 13 13a can be connected with the air inlet port 9 of gas handling system 5.Supply opening 13a can be located at the top of intake valve 9a.Therefore, intake valve is worked as When 9a is opened, the water vapour supplied by water vapour supply pipe 13 can be introduced into the combustion chamber 1a of internal combustion engine 1.
As described above, exemplary embodiment according to the present invention, when the supply opening 13a of water vapour supply pipe 13 and air inlet When the air inlet port 9 of system 5 connects, it is possible to implement the function identical with traditional waterflood system and identical effect.Further, since Application is not as the high price injector used in traditional waterflood system, therefore can reduce manufacture cost.
Water filling device 20 can be configured to the water of desired amount being injected into the vaporizing chamber 12 of vaporization tank 11.
Exemplary embodiment according to the present invention, water filling device 20 may include the water tank 21 for storing water and connection water tank 21 With the water injection pipe 22 of vaporization tank 11.
It may be provided with pump 23 and filter 24 in water injection pipe 22, pump 23 is pumped from water tank 21, and filter 24 is from water Filtering contaminants.
According to the exemplary embodiment of the present invention with said structure, injected water into when by using water filling device 20 When in the vaporizing chamber 12 of vaporization tank 11, water can be vaporized by the heat for the exhaust gas that the exhaust system 2 via internal combustion engine 1 is discharged, In, water vapour can be generated.
Water vapour forms the constant bulbs of pressure due to vaporization.Under bulbs of pressure effect, it can be supplied by water vapour Water vapour is supplied in the air inlet port 9 of gas handling system 5 by pipe 13.When intake valve 9a is opened, supplied in air inlet port 9 Water vapour can be directed into the combustion chamber 1a of internal combustion engine 1.
Another exemplary embodiment according to the present invention, as shown in Fig. 2, water vapour supply pipe 13 can by vaporization tank 11 with The air inlet pipe 7 of gas handling system 5 connects.The supply opening 13a of water vapour supply pipe 13 can be equipped with throttle valve 8 with air inlet pipe 7 One section of connection.Therefore, when throttle valve 8 is opened, the water vapour supplied by water vapour supply pipe 13 can be introduced in internal combustion engine 1 Combustion chamber 1a in.
As shown in figure 3, vaporization tank 11 can be connected by water vapour supply pipe 13 with the inlet manifold 6 of gas handling system 5.Water vapour The supply opening 13a of supply pipe 13 can be connected with the one side of the inlet manifold 6 of gas handling system 5.Therefore, the supply of supply pipe 13 is opened Mouth 13a can be connected with the tract of the throttle valve 8 in gas handling system 5.When intake valve 9a is opened, pass through water vapour supply pipe 13 The water vapour of supply can be introduced into the combustion chamber 1a of internal combustion engine 1.
As shown in figure 4, the supply opening 13a of water vapour supply pipe 13 can connect with the Upstream section of the throttle valve 8 in air inlet pipe 7 It is logical.Therefore, when throttle valve 8 is opened, the water vapour supplied by water vapour supply pipe 13 can be introduced in the burning of internal combustion engine 1 In the 1a of room.
As described above, another exemplary embodiment according to the present invention, due to the supply opening of water vapour supply pipe 13 13a is connected with the air inlet pipe 7 of gas handling system 5, therefore can implement the function identical with traditional waterflood system and identical effect.Separately Outside, due to do not use traditional egr system cooler for recycled exhaust gas and EGR valve, so manufacture cost can be reduced.
As described above, exemplary embodiment according to the present invention, by using the useless of the exhaust manifold discharge from internal combustion engine The heat of gas makes water vapor to form water vapour.Water vapour is supplied in the air inlet port of gas handling system or inlet manifold. Therefore, when intake valve or throttle valve are opened, water vapour can be introduced into the combustion chamber of engine.Therefore, the combustion heat can be reduced And discharged nitrous oxides, and can dramatically raising fuel efficiency.
In order to facilitate the explanation in appended claims and accurately definition, term " top ", " lower part ", " interior ", " outer ", " on ", " under ", " upward ", " downward ", " forepart ", " rear portion ", " rear ", " inside ", " outside ", " inside ", " outside ", " interior Portion ", " outside ", " forward " and " backward " for the position of the feature shown in refer to the attached drawing come describe exemplary embodiment these Feature.
The foregoing description of the specific illustrative embodiment of the present invention has been proposed for the purpose of illustration and description.They It is not intended to be exhaustive or limited to the invention to disclosed precise forms, it is thus evident that according to the above instruction, can also be permitted More modifications and variations.Exemplary embodiment is selected and described to explain some principles and its practical application of the present invention, so that Various exemplary embodiments and its various alternatives and modifications of the present invention can be completed and utilize by obtaining those skilled in the art.Meaning Figure is that the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of water vapour feeding mechanism for internal combustion engine, the water vapour feeding mechanism includes:
Vaporization tank in the vaporization tank, makes water vapor to generate water vapour by using the exhaust gas discharged from the internal combustion engine; And
Water filling device is configured to inject water into the vaporization tank,
Wherein, the water vapour generated from the vaporization tank is supplied in the gas handling system of the internal combustion engine.
2. water vapour feeding mechanism according to claim 1, further includes:
The vaporization tank is connected by water vapour supply pipe with the gas handling system of the internal combustion engine,
Wherein, the water vapour generated from the vaporization tank is supplied to by the water vapour supply pipe air inlet of the internal combustion engine In system.
3. water vapour feeding mechanism according to claim 1, wherein, the vaporization tank is arranged in the exhaust of the internal combustion engine In system, to receive the heat for the exhaust gas discharged from the internal combustion engine, and
Wherein, vaporizing chamber is formed in the vaporization tank, makes water vapor in the vaporizing chamber.
4. water vapour feeding mechanism according to claim 2, wherein, the water vapour supply pipe is by the vaporization tank and institute State the air inlet port connection of gas handling system.
5. water vapour feeding mechanism according to claim 4, wherein, the water vapour supply pipe includes:
The supply opening connected with the air inlet port of the gas handling system.
6. water vapour feeding mechanism according to claim 2, wherein, the water vapour supply pipe is by the vaporization tank and institute State the air inlet pipe connection of gas handling system.
7. water vapour feeding mechanism according to claim 6, wherein, the water vapour supply pipe includes:
The supply opening connected with the air inlet port of the gas handling system.
8. water vapour feeding mechanism according to claim 6, wherein, the water vapour supply pipe includes:
The supply opening connected with one equipped with throttle valve section of the air inlet pipe.
9. water vapour feeding mechanism according to claim 6, wherein, the water vapour supply pipe includes:
The supply opening connected with the Upstream section of the throttle valve in the air inlet pipe.
10. water vapour feeding mechanism according to claim 2, wherein, the water vapour supply pipe by the vaporization tank with The inlet manifold connection of the gas handling system.
CN201710485586.9A 2016-11-24 2017-06-23 For the water vapour feeding mechanism of internal combustion engine Pending CN108104982A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160157515A KR20180058488A (en) 2016-11-24 2016-11-24 Water vapor supply apparatus for internal combustion engine
KR10-2016-0157515 2016-11-24

Publications (1)

Publication Number Publication Date
CN108104982A true CN108104982A (en) 2018-06-01

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CN201710485586.9A Pending CN108104982A (en) 2016-11-24 2017-06-23 For the water vapour feeding mechanism of internal combustion engine

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US (1) US20180142649A1 (en)
KR (1) KR20180058488A (en)
CN (1) CN108104982A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU189276U1 (en) * 2019-03-14 2019-05-17 Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) Device for supplying water to a gas-diesel engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009779A1 (en) * 1978-10-04 1980-04-16 Werner Lohberg Device for supplying water and/or water vapour to the intake manifold of an internal-combustion engine
DE19510163A1 (en) * 1995-03-21 1996-09-26 Wenners Epping Franz Performance increasing method for piston IC engine and gas turbine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1413804A (en) * 1920-07-19 1922-04-25 John G Snyder Manifold for gas engines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009779A1 (en) * 1978-10-04 1980-04-16 Werner Lohberg Device for supplying water and/or water vapour to the intake manifold of an internal-combustion engine
DE19510163A1 (en) * 1995-03-21 1996-09-26 Wenners Epping Franz Performance increasing method for piston IC engine and gas turbine

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US20180142649A1 (en) 2018-05-24
KR20180058488A (en) 2018-06-01

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Application publication date: 20180601